The great merge

ethchain/contract.go

@@ -0,0 +1,66 @@
+package ethchain
+
+import (
+	"github.com/ethereum/eth-go/ethutil"
+	"math/big"
+)
+
+type Contract struct {
+	Amount *big.Int
+	Nonce  uint64
+	state  *ethutil.Trie
+}
+
+func NewContract(Amount *big.Int, root []byte) *Contract {
+	contract := &Contract{Amount: Amount, Nonce: 0}
+	contract.state = ethutil.NewTrie(ethutil.Config.Db, string(root))
+
+	return contract
+}
+
+func (c *Contract) RlpEncode() []byte {
+	return ethutil.Encode([]interface{}{c.Amount, c.Nonce, c.state.Root})
+}
+
+func (c *Contract) RlpDecode(data []byte) {
+	decoder := ethutil.NewRlpValueFromBytes(data)
+
+	c.Amount = decoder.Get(0).AsBigInt()
+	c.Nonce = decoder.Get(1).AsUint()
+	c.state = ethutil.NewTrie(ethutil.Config.Db, decoder.Get(2).AsRaw())
+}
+
+func (c *Contract) State() *ethutil.Trie {
+	return c.state
+}
+
+type Address struct {
+	Amount *big.Int
+	Nonce  uint64
+}
+
+func NewAddress(amount *big.Int) *Address {
+	return &Address{Amount: amount, Nonce: 0}
+}
+
+func NewAddressFromData(data []byte) *Address {
+	address := &Address{}
+	address.RlpDecode(data)
+
+	return address
+}
+
+func (a *Address) AddFee(fee *big.Int) {
+	a.Amount.Add(a.Amount, fee)
+}
+
+func (a *Address) RlpEncode() []byte {
+	return ethutil.Encode([]interface{}{a.Amount, a.Nonce})
+}
+
+func (a *Address) RlpDecode(data []byte) {
+	decoder := ethutil.NewRlpValueFromBytes(data)
+
+	a.Amount = decoder.Get(0).AsBigInt()
+	a.Nonce = decoder.Get(1).AsUint()
+}